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    Building Out XenServer 6.5 with USB Boot and Software RAID 10

    IT Discussion
    xen virtualization xenserver xenserver 6.5 how to
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    • RomoR
      Romo
      last edited by

      It is automounting since we added it to our fstab

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      • RomoR
        Romo
        last edited by

        After adding the array as storage xenserver , the output of df -Th changes to this

        Screenshot from 2015-11-05 09:21:03.png

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        • RomoR
          Romo
          last edited by

          I removed the /dev/md10 entry from fstab so it doesn't automount and causes conflict with xenserver handling storage

          scottalanmillerS 1 Reply Last reply Reply Quote 1
          • RomoR
            Romo
            last edited by

            Xencenter after reboots properly automounts our new array

            2015-11-05 09_31_51-XenCenter.png

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            • scottalanmillerS
              scottalanmiller
              last edited by

              We need to get the UUID out of the proposed script, that much I know won't work.

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              • scottalanmillerS
                scottalanmiller @Romo
                last edited by

                @Romo said:

                I removed the /dev/md10 entry from fstab so it doesn't automount and causes conflict with xenserver handling storage

                Ah, good catch. I'm updating the OP with a finalized script. Please review.

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                • RomoR
                  Romo
                  last edited by

                  I got the uuid using this:

                  madadm --detail /dev/md10 | grep UUID

                  scottalanmillerS 2 Replies Last reply Reply Quote 2
                  • RomoR
                    Romo
                    last edited by

                    We don't need to install mdadm, its there already

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                    • scottalanmillerS
                      scottalanmiller @Romo
                      last edited by

                      @Romo said:

                      I got the uuid using this:

                      madadm --detail /dev/md10 | grep UUID

                      Thanks.

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                      • scottalanmillerS
                        scottalanmiller @Romo
                        last edited by

                        @Romo said:

                        I got the uuid using this:

                        madadm --detail /dev/md10 | grep UUID

                        What is the raw output of that command? Did you need to clean it up? I want this scripted, not manual, if possible.

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                        • brianlittlejohnB
                          brianlittlejohn
                          last edited by

                          i'm going to have to try this out, i have an old dell with FAKERAID.

                          mlnewsM 1 Reply Last reply Reply Quote 1
                          • RomoR
                            Romo
                            last edited by

                            This is the output @scottalanmiller just have to replace : with -

                            UUID : fba59a9c:7e6db5a2:d21e4034:3b415cfd

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                            • mlnewsM
                              mlnews @brianlittlejohn
                              last edited by

                              @brianlittlejohn said:

                              i'm going to have to try this out, i have an old dell with FAKERAID.

                              You can do it anywhere. No FakeRAID needed since the whole point is to bypass it. Works equally well where there is no FakeRAID too.

                              1 Reply Last reply Reply Quote 1
                              • RomoR
                                Romo
                                last edited by

                                echo "modprobe raid10" > /etc/sysconfig/modules/raid.modules
                                modprobe raid10
                                chmod a+x /etc/sysconfig/modules/raid.modules

                                mdadm --create /dev/md0 --level=10 --raid-devices=4 /dev/sd[a-d]

                                Loading the modules to kernel need to go before creating the md device

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                                • scottalanmillerS
                                  scottalanmiller
                                  last edited by

                                  @romo can you confirm if this command works?

                                  madadm --detail /dev/md10 | grep UUID | cut -d' ' -f3
                                  
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                                  • RomoR
                                    Romo
                                    last edited by

                                    I got a blank output after fixing madadm to mdadm

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                                    • scottalanmillerS
                                      scottalanmiller
                                      last edited by

                                      It worked on the output that you gave to me. 😞

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                                      • scottalanmillerS
                                        scottalanmiller
                                        last edited by

                                        See what -f2 does.

                                        1 Reply Last reply Reply Quote 0
                                        • scottalanmillerS
                                          scottalanmiller
                                          last edited by

                                          I refreshed the OP with the latest revisions.

                                          1 Reply Last reply Reply Quote 0
                                          • RomoR
                                            Romo
                                            last edited by

                                            Screenshot from 2015-11-05 09:47:36.png

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